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Method based on nanoparticle density. Analytical Ultracentrifugation and DLS data.
| S-value (Sv) |
dh (nm) |
Density (g/cm3) |
Mass-polymer/NP (g) |
Grafting Density (PEG/nm2) |
Ligand Footprint (nm2) |
|
|---|---|---|---|---|---|---|
| AuNP_B2 | 586.3 | 9.9 | ||||
| AuNP_1KPEG | 418.1 | 13.9 | 4.9 | 1.37E-18 | 3.2 | 0.31 |
| AuNP_2KPEG | 337.4 | 17.5 | 3.0 | 1.67E-18 | 1.9 | 0.52 |
| AuNP_5KPEG | 225.4 | 25.3 | 1.6 | 2.39E-18 | 1.1 | 0.90 |
| AuNP_10KPEG | 170.2 | 34.6 | 1.3 | 3.51E-18 | 0.8 | 1.23 |
| AuNP_20KPEG | 138.5 | 79.9 | 1.0 | 9.41E-18 | 1.1 | 0.92 |
